fprintf(stdout," --desc Description of raysum\n");
fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
fprintf(stdout," --trace Trace level to use\n");
fprintf(stdout," none No tracing (default)\n");
fprintf(stdout," text Trace text level\n");
fprintf(stdout," --desc Description of raysum\n");
fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
fprintf(stdout," --trace Trace level to use\n");
fprintf(stdout," none No tracing (default)\n");
fprintf(stdout," text Trace text level\n");